MERIH STAINLESS, based in Istanbul, Turkey, is a reliable manufacturer and supplier of top-notch stainless steel products. Their Stainless Steel 309H Tubing is specifically designed for high-temperature and corrosive environments, offering exceptional strength, durability, and reliability. Crafted to meet international standards, these tubes guarantee precise dimensions, a smooth surface finish, and long-lasting performance. Perfect for industries like chemical, petrochemical, power generation, and furnace operations, MERIH STAINLESS 309H tubing ensures safe, maintenance-free use. Built to withstand extreme thermal conditions, these tubes are ideal for critical piping, heat exchangers, and structural applications where high performance and corrosion resistance are crucial.
Stainless steel 309H tubing is primarily alloyed with 22% chromium and 12-15% nickel, with trace amounts of carbon (0.04-0.10%), manganese, silicon, and other elements These elements provide excellent oxidation resistance and warmth higher strength. Mechanical properties of 309H include 515-690 MPa tensile strength, 205 MPa yield strength, 40% elongation at 50 mm It also has high resistance to scaling and corrosion, which makes it ideal for applications in harsh environments, e.g heat exchangers, furnace and chemical industry.
Stainless Steel 309H Tubing is mainly made up of iron, high chromium, and nickel, featuring a higher carbon content than 309 to boost tensile strength, creep resistance, and performance at high temperatures. This tubing showcases impressive tensile and yield strength, hardness, ductility, and toughness when faced with thermal stress. The alloy offers excellent resistance to oxidation, scaling, and corrosion in high-temperature and chemically aggressive settings. Precision manufacturing guarantees dimensional accuracy, consistent wall thickness, and structural integrity. These characteristics make 309H tubing a dependable choice for high-temperature, high-stress applications in critical industrial and chemical processing environments.
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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We offers thorough testing and certification of stainless steel 309H tubing, ensuring high performance and reliability. Our products undergo rigorous testing, including mechanical, chemical and theoretical analysis. Each batch is certified by relevant test reports, meets industry standards and customer specifications for durability, strength and corrosion resistance.
Available in sizes ranging from 1/8″ to 12″ in outer diameter, these tubes are highly corrosion-resistant. Seamless construction ensures strength and durability under high temperatures and pressures.
These tubes, with outer diameters from 1/8″ to 24″, offer excellent corrosion resistance. Welded for precise applications, they are suitable for a variety of industrial uses
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Ranging from 1/2″ to 5″ in outer diameter, these corrosion-resistant tubes can endure extreme temperatures. Essential for maintaining efficiency in boiler operations.
These tubes come in various sizes, typically up to 2″ in outer diameter, and offer excellent corrosion resistance. They are used in heat exchangers and condensers for efficient thermal management.
With sizes usually between 1/4″ and 2″ in outer diameter, this corrosion-resistant tubing is designed for condensing steam or other fluids. It ensures efficient thermal exchange in condensers.
Available in sizes from 1/2″ to 2″ in outer diameter, these corrosion-resistant tubes feature fins for enhanced heat transfer. Used in heat exchangers to improve efficiency and performance.
Stainless Steel 309H Tubing is extensively utilized in industries that demand corrosion- and heat-resistant tubing solutions. It’s perfect for furnace components, boilers, heat exchangers, chemical and petrochemical processing facilities, and thermal power plants. This tubing is also well-suited for piping systems, exhaust systems, industrial machinery, and structural applications that are exposed to high temperatures and corrosive substances. The increased carbon content ensures improved creep resistance, making it a reliable option for challenging environments.
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